20.05
wed
wed
Day
55°F
SE 10 mph
Precip.
0%
0%
Night
48°F
S 6 mph
Precip.
0%
0%
21.05
thu
thu
Day
50°F
SW 11 mph
Precip.
0%
0%
Night
45°F
W 4 mph
Precip.
0%
0%
22.05
fri
fri
Day
57°F
W 13 mph
Precip.
0%
0%
Night
54°F
W 8 mph
Precip.
0%
0%
23.05
sat
sat
Day
52°F
W 12 mph
Precip.
100%
100%
Night
52°F
W 12 mph
Precip.
100%
100%
24.05
sun
sun
Day
55°F
NW 7 mph
Precip.
82%
82%
Night
55°F
N 8 mph
Precip.
0%
0%
25.05
mon
mon
Day
59°F
N 4 mph
Precip.
100%
100%
Night
59°F
N 8 mph
Precip.
100%
100%
26.05
tue
tue
Day
66°F
NE 13 mph
Precip.
53%
53%
Night
63°F
N 8 mph
Precip.
24%
24%
sea water
temperature
temperature
| Niagara Falls |
monthly
weather
weather
| Niagara Falls |
current
weather
weather
| Niagara Falls |
14 days
forecast
forecast
| Niagara Falls |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 46.9°F. The highest and lowest sea temperatures during the month were 52.3°F and 43.2°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 60.4°F. The highest and lowest sea temperatures during the month were 69.4°F and 50.0°F.
Air temperature in Niagara Falls, °F
Precipitation total in Niagara Falls, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Niagara Falls
Niagara Falls on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Niagara Falls
Local time: 06:46
May 20, wednesday
0900
52°F
SE
9 mph
9 mph
1200
55°F
SE
10 mph
10 mph
1500
59°F
SE
11 mph
11 mph
1800
57°F
SE
8 mph
8 mph
2100
52°F
S
9 mph
9 mph
May 21, thursday
0000
48°F
S
6 mph
6 mph
0300
45°F
S
7 mph
7 mph
0600
45°F
SW
11 mph
11 mph
